Datasheet > AU5790D-T

AU5790D-T

更新时间： 2024-02-09 23:38:01

品牌	Logo	应用领域
飞利浦 - PHILIPS		电信信息通信管理光电二极管电信集成电路
页数	文件大小	规格书
25页	127K
描述
CAN Transceiver, 1-Trnsvr, BICMOS, PDSO8,

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AU5790D-T 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
包装说明：	SOP, SOP8,.25	Reach Compliance Code：	unknown
风险等级：	5.81	Is Samacsys：	N
数据速率：	100 Mbps	JESD-30 代码：	R-PDSO-G8
JESD-609代码：	e4	端子数量：	8
收发器数量：	1	最高工作温度：	125 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装等效代码：	SOP8,.25
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
电源：	12 V	认证状态：	Not Qualified
子类别：	Network Interfaces	最大压摆率：	45 mA
标称供电电压：	12 V	表面贴装：	YES
技术：	BICMOS	电信集成电路类型：	CAN TRANSCEIVER
温度等级：	AUTOMOTIVE	端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	Base Number Matches：	1

AU5790D-T 数据手册

Philips Semiconductors

Application note

AU5790 Single wire CAN transceiver

AN2005

3.2 Block Diagram and Function Description

The AU7590 consists of several functional blocks shown in the block diagram below.

BATTERY (+12V)

BAT

VOLTAGE

TEMP.

PROTECTION

REFERENCE

BUS

CANH

TxD

OUTPUT

BUFFER

CAN

CONTROLLER

AND

µC

NSTB

(Mode 0)

MODE

BUS

CONTROL

RECEIVER

(Mode 1)

RxD

LOSS OF

GROUND

RTH

(LOAD)

PROTECTION

AU5790

GND

SL01306

Figure 6. AU5790 block diagram

The protocol controller feeds the transmit data stream to the transceiver’s TxD input. The AU5790 transceiver converts the TxD data input to a

bus signal with controlled slew rate and wave-shaping to minimize electromagnetic emissions. The bus output signal is transmitted via the

CANH in/output pin, which is connected to the physical bus medium. If TxD is low, then a typical voltage of 4 V is output at the CANH pin. If TxD

is high then the CANH output is pulled passive low via the local bus load resistance R . The physical bus lines for all transceivers on the bus are

connected in a wired-OR configuration, therefore the bus will be at a dominant level unless all nodes in network are passive.

To provide protection against a disconnection of the module ground wire the resistor R is connected to the RTH pin of the AU5790. The RTH

pin is connected to ground via the loss of ground protection circuit in the AU5790. By providing this switched ground pin, no current can flow

from the floating module ground to the bus via load resistor R .

The bus receiver detects the data stream at the bus line. The data signal is output at the RxD pin, which should be connected to a CAN

controller. If the bus level is recessive, i.e. all transmitters are passive, then RxD is floating or High with external pull-up resistance. If the bus

2001 Apr 16

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